Triangles Review

Which triangle is a right triangle?

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Which statement must be true about a right triangle?

• One angle is equal to 90 degrees

• One angle is more than 90 degrees

• All 3 sides have the same length

• All 3 sides have a different length

The legs form what type of angle?

• Acute
• Obtuse
• Reflex
• Right

_{^{Find the missing side}}

• 48
• 108
• 83.6
• 72

A rectangular field is 50 yards wide and 100 yards long. Patrick walks diagonally across the field. How far does he walk?

Hint: draw this picture.

• 111.8 yards

• 115 yards

• 127.3 yards

• 119 yards

Which set of sides would make a right triangle?

• 4,5,6
• 8,10,12
• 5,12,13
• 5,10,12

What is the name for side c?

• head

• body

• hippopotamus

• hypotenuse

What is the opposite of squaring a number?

• divide
• multiply 
• fractions
• square root

The sum of the angles of a triangle is _____.

Answer explanation

This is called the Triangle Sum Theorem!

Find the measure of the missing angle.

• 47
• 57
• 53
• 133